CN205775671U - Channel suspending rail welding point sensing normalizing device - Google Patents
Channel suspending rail welding point sensing normalizing device Download PDFInfo
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- CN205775671U CN205775671U CN201620176157.4U CN201620176157U CN205775671U CN 205775671 U CN205775671 U CN 205775671U CN 201620176157 U CN201620176157 U CN 201620176157U CN 205775671 U CN205775671 U CN 205775671U
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- metal tube
- normalizing
- channel suspending
- suspending rail
- water pipe
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Abstract
nullThis utility model relates to a kind of channel suspending rail welding point sensing normalizing device，Including power supply、Water tank、Multistage metal tube，Multistage metal tube is sequentially connected with by metal flange，The two ends of the multistage metal tube after connection connect and compose normalizing loop with the positive pole of power supply and negative pole conducting respectively，Metal tube is internal connects and composes circulation line with water tank import and exit seal，At least provided with an insulation water pipe，The two ends seal bridge of insulation water pipe is connected on the metal tube of flange both sides，The internal UNICOM internal with metal tube of insulation water pipe，The loop shape that described metal tube is constituted can be coated with the side profile of described channel suspending rail，The inner side in metal tube loop has the convex surface adapted with the flute profile in channel suspending rail，This utility model have employed profile modeling，It is not more than 25mm with the operating distance of rail，Normalizing heating-up temperature is uniform，Improve 9 Cr 2 steel using electromagnetic heating transformation efficiency，Can reach normalizing temperature 850～950 DEG C 3 minutes heat time heating times.
Description
[technical field]
This utility model relates to track normalizing device, is specifically related to a kind of channel suspending rail welding point sensing normalizing device.
[background technology]
Normalizing is by workpiece heat to critical temperature Ac or more than Accm 30-50 DEG C, after insulation appropriate time, metal heating processing technology after cooling reaches complete austenitizing in no-wind environment, the main mesh of normalizing is to make crystal grain refinement and distribution of carbides uniform, remove the internal stress of material, reduce the hardness of material, improve the performance of steel, obtain the interior tissue material close to poised state, improve reliability and the life-span of weldment.
60R2 grooved rail welding point normalized treatment of the prior art uses traditional oxygen acetylene flame normalizing process, and this technique is primarily present manual control, and quality is wayward, there is potential safety hazard, easily pollute the problems such as environment.The electromagnetic induction principle that uses developed in recent years carries out the normalizing coil of flames of anger operation, has been widely used in railway track fixed-site normalizing operation and urban track traffic rail moves and makees normalizing industry.The most domestic electric induction normalizing coil used has profiling external labeling type, wound form, the symmetrical multiple pattern such as open-close type, asymmetric open-close type.But all of electric induction normalizing coil may be only available for the electromagnetic induction normalizing of track traffic rail.Along with streetcar track transport development, the urban tram groove-shape rail a large amount of input track engineering newly developed uses, and has formed iron and steel industry industry standard.Grooved rail present stage standard has two kinds of specifications of 59R2,60R2, commonly uses as 60R2 grooved rail.Grooved rail is that rail head has Baltimore groove dissymmetrical structure, high cross direction full-size to be 180mm × 180mm, totally different with existing track traffic rail geomery.The most domestic existing electric induction normalizing coil does not the most adapt to grooved rail welding point normalizing operation.Even if designing by original electric induction normalizing line coil structures, also it is unable to reach uniform normalizing effect.
[summary of the invention]
The purpose of this utility model is to provide a kind of new normalizing device so that track welding operates convenient.
To achieve these goals, a kind of channel suspending rail welding point sensing normalizing device is provided, including power supply, water tank, multistage metal tube, multistage metal tube is sequentially connected with by metal flange, the two ends of the multistage metal tube after connection connect and compose normalizing loop with the positive pole of power supply and negative pole conducting respectively, metal tube is internal connects and composes circulation line with water tank import and exit seal, at least provided with an insulation water pipe, the two ends seal bridge of insulation water pipe is connected on the metal tube of flange both sides, the internal UNICOM internal with metal tube of insulation water pipe, the loop shape that described metal tube is constituted can be coated with the side profile of described channel suspending rail, the inner side in metal tube loop has the convex surface adapted with the flute profile in channel suspending rail.
This normalizing device also has and optimizes structure as follows:
Including two normalizing loops in parallel.
Using two insulation water pipe, two insulation water pipe each bridge in two normalizing loops on the metal tube of flange both sides, and UNICOM internal with metal tube.
Described metal tube uses copper pipe.
The distance being coated with between the metal tube of the side profile of described channel suspending rail and channel suspending rail is not more than 25mm.
This utility model compared with the existing technology, has an advantage in that:
1. have employed profile modeling, be not more than 25mm with the operating distance of rail, normalizing heating-up temperature is uniform, improves electricity-magnetic-thermal transition efficiency, can reach normalizing temperature 850～950 DEG C 3 minutes heat time heating times.
2. using water-cooled to be flexible coupling cable between second generator and main generator, pliability is good, can move on a large scale, rotate, and meets the needs of different operating modes.
The most only needing two groups of four M6 bolts between dismounting grooved rail groove side flange of rail foot and top and the bottom, tack side can realize coil peace to tear open, dismount extremely convenient, work efficiency is high.
4. water-tight during the operation of induction coil opened/closed, connect copper flange not water flowing, the hidden danger of quality of quenching grooved rail of having stopped to drip.
5. induction coil be hardly damaged, the life-span long, with low cost.
6. running operation safety, running voltage is low, and output circuit is environmentally isolated with.
7. can meet place fixing, mobile, the normalizing operation of the 60R2 grooved rail such as environment in overhead, tunnel.
[accompanying drawing explanation]
Fig. 1 is the primary structure schematic diagram of this utility model induction coil.
Fig. 2 is sectional view at this utility model induction coil grooved rail.
As it can be seen, 1. groove side coil in figure, 2. tack upper lateral part sub-coil, 3. tack side lower part sub-coil, 4. hose, 5. copper flange, 6.M6 bolt, 7. two medium-frequency generator power supplys, 8. grooved rail.
[detailed description of the invention]
For making this utility model purpose, principle and structure become apparent from understanding, it is further elaborated below in conjunction with drawings and the specific embodiments.Should be appreciated that embodiment and accompanying drawing are only used for illustrating rather than limiting protection domain of the present utility model.The description for orientation in embodiment is all relative position rather than absolute position.
Normalizing device structure in the present embodiment is as follows:
As shown in Figure 1, including power supply, water tank, multistage copper pipe, multistage copper pipe is sequentially connected with by metal flange, the two ends of the multistage copper pipe after connection connect and compose normalizing loop with the positive pole of power supply and negative pole conducting respectively, use two normalizing loops in parallel in the present embodiment, copper pipe is internal connects and composes circulation line with water tank import and exit seal, at least provided with two insulation water pipe, two insulation water pipe each bridge in two normalizing loops on the copper pipe of flange both sides, and UNICOM internal with copper pipe, the loop shape that described copper pipe is constituted can be coated with the side profile of described channel suspending rail, the inner side in copper pipe loop has the convex surface adapted with the flute profile in channel suspending rail.
In the present embodiment, multistage copper pipe includes that groove side coil 1, tack lateral coil two main part form, coil uses anaerobic T2 copper tube to make, body energising produces alternating magnetic field and produces faradic current on grooved rail joint, two lateral coils are U-shaped copper pipe structure, electric current passes through along copper pipe, and current pass through along copper pipe cavity.Groove side coil 1 uses two M6 bolts 6 to be connected by copper flange contact with tack lateral coil at grooved rail groove side flange of rail angle, it is achieved integrated profiling grooved rail 8 is installed, thus grooved rail 8 heats normalizing, and in pipe, baric flow circulation pure water implements cooling.Tack lateral coil is divided into upper and lower two-part structure, uses two M6 bolts 6 to be connected by copper flange contact on the downside of generator connecting plate at 160mm, and between two parts, water route uses two hoses 4 to connect, easy disassembly coil.As shown in Figure 1.
Coil top uses bolt to be connected fixing to be dielectrically separated from two pieces of copper flanges and secondary medium-frequency generator power supply, and coil forms Hard link with generator.Second generator power supply uses the water-cooled cable that is flexible coupling to be connected with main induction heating power supply medium-frequency generator power supply, water tank.
Groove side coil 1 all uses copper flange contact to be connected the closed-loop path realizing whole coil electric current formation return medium-frequency generator power supply with tack lateral coil and tack lateral coil top and the bottom.
Power supply in the present embodiment uses secondary medium-frequency generator power supply 7, being realized by current reforming unit will be through water tank current along groove side and the U-shaped copper pipe of tack lateral coil each self-forming circulation waterway, and ensure that the connection of copper flange contact can be conducted electricity smoothly, can prevent again coil opened/closed from leaking when operating.Secondary medium-frequency generator power supply 7 uses the water-cooled cable that is flexible coupling to be connected with main medium-frequency generator power supply, water tank, and left and right two inguinal canal type rail 8 realizes symmetrical normalizing operation by operation second generator rotation turnback.
The preferred 950mm of actuating coil length, copper pipe width 15mm, thickness 15mm, two copper pipe parallel connection width 30mm, outer felt protects coil around insulation high-temperature-resistant cloth.As shown in Figure 2.
Normalizing coil top is directly fixed with secondary medium-frequency generator power supply, connects water supply, electric power system, arranges insulating protection between both threads circle flange.
Normalizing coil operating distance is rail top 8mm, web of the rail 15mm, flange of rail angle, flange of rail 25mm, the insulation high-temperature-resistant cloth of this space mounting parcel rail.
Installation and application of the present utility model:
(1) the weld seam both sides grooved rail of normalizing is intended in lifting, is allowed to keep level, and when preventing normalizing, weld seam occurs that stress is concentrated.
(2) weld seam position grooved track surface parcel insulated heat blanket, thickness 10mm.
(3) open at induction coil recesses siding track footing and top and the bottom, tack side connect copper flange, landing secondary medium-frequency generator power supply drives groove side induction coil to operating position, tack side lower part sub-coil is loaded from grooved rail opposite side, respectively with two bolt connecting groove sides and tack lateral coil and top and the bottom, tack side coil, carry out profiling installation.
(4) two copper flanges of induction coil upper end insulation are directly fixed with secondary medium-frequency generator power supply, connect water supply, electric power system.
(5) starting water tank and start the cycle over water for cooling, set intensification parameter, start medium-frequency generator power supply, butt welded seam carries out heating normalizing.
(6), after reaching normalizing temperature, first disconnect generator power, then disconnect water tank power supply.
(7) pull down groove side and tack side and the connecting bolt of top and the bottom, tack side coil, open coil.
(8) naturally cool to room temperature, take off heat-insulation blanket.
(9) secondary medium-frequency generator power supply rotation turnback, carries out another inguinal canal type rail by above-mentioned (1)-(8) program and carries out normalizing operation.
(10) next scope of operation is transferred to.
This utility model applies the know-whies such as electric current of intermediate frequency electromagnetic induction heating, profiling, circulating water, the anaerobic T2 copper tube profiling grooved rail using low inductance makes induction coil, it is installed on the grooved rail joint after welding, medium-frequency generator power supply is utilized to produce alternating magnetic field to induction coil supply alternating current, producing eddy current on grooved rail to heat, grooved rail is warmed up to 850～950 DEG C of natural coolings from room temperature and completes normalizing.The width of coil takes into full account welding heat affected sector width, heat affected area is only implemented normalizing, other position mother metal character is not produced impact.Coil profiling grooved rail special-shaped section, each position is heated evenly, and heat time heating time is short, and efficiency converts height.Water flowing circulation temperature lowering in coil, the extension coil life-span.
Claims (5)
1. a channel suspending rail welding point sensing normalizing device, including power supply, water tank, multistage metal tube, multistage
Metal tube is sequentially connected with by metal flange, and the two ends of the multistage metal tube after connection are respectively with power supply just
Pole and negative pole conducting connect and compose normalizing loop, and metal tube is internal is connected structure with water tank import with exit seal
Become circulation line, it is characterised in that at least provided with an insulation water pipe, the two ends of insulation water pipe seal bridge joint
On the metal tube of flange both sides, the internal UNICOM internal with metal tube of insulation water pipe, described metal
The loop shape that pipe is constituted can be coated with the side profile of described channel suspending rail, the inner side tool in metal tube loop
There is the convex surface adapted with the flute profile in channel suspending rail.
2. channel suspending rail welding point sensing normalizing device as claimed in claim 1, it is characterised in that include two
Normalizing loop in parallel.
3. channel suspending rail welding point sensing normalizing device as claimed in claim 2, it is characterised in that use two
Insulation water pipe, two insulation water pipe each bridge in two normalizing loops on the metal tube of flange both sides,
And UNICOM internal with metal tube.
4. channel suspending rail welding point sensing normalizing device as claimed in claim 1, it is characterised in that described gold
Belong to pipe and use copper pipe.
5. channel suspending rail welding point sensing normalizing device as claimed in claim 1, it is characterised in that cladding is described
Distance between the metal tube of the side profile of channel suspending rail and channel suspending rail is not more than 25mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620176157.4U CN205775671U (en) | 2016-03-08 | 2016-03-08 | Channel suspending rail welding point sensing normalizing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620176157.4U CN205775671U (en) | 2016-03-08 | 2016-03-08 | Channel suspending rail welding point sensing normalizing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205775671U true CN205775671U (en) | 2016-12-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620176157.4U Active CN205775671U (en) | 2016-03-08 | 2016-03-08 | Channel suspending rail welding point sensing normalizing device |
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| CN (1) | CN205775671U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109182674A (en) * | 2018-11-06 | 2019-01-11 | 中铁宝桥集团有限公司 | A kind of open-close type rail flash welding connector normalizing induction coil |
| CN110396873A (en) * | 2019-07-31 | 2019-11-01 | 黎李韦 | Destressing rail link block group |
-
2016
- 2016-03-08 CN CN201620176157.4U patent/CN205775671U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109182674A (en) * | 2018-11-06 | 2019-01-11 | 中铁宝桥集团有限公司 | A kind of open-close type rail flash welding connector normalizing induction coil |
| CN109182674B (en) * | 2018-11-06 | 2023-12-29 | 中铁宝桥集团有限公司 | The method comprises the following steps of: open-close type Steel rail flash normalizing of welded joint Induction coil |
| CN110396873A (en) * | 2019-07-31 | 2019-11-01 | 黎李韦 | Destressing rail link block group |
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